[b3orn]

The code uses unaligned load and store instructions, so it should be possible to trigger memory access to unmapped addresses.

[csande17]

Isn't the point of the "masked load" instruction discussed in the article to avoid that? https://stackoverflow.com/a/54530225

[janwas]

Unfortunately, AMD's masked AVX2 instructions reserve the right to fault even for masked-off elements :(